Gemini 3.1 Flash Image (Nano Banana 2)

Gemini 3.1 Flash Image (codename Nano Banana 2) is Google's mid-tier multimodal image generation and editing model, designed for high-volume developer workflows that require a balance of speed, cost-efficiency, and image quality. It accepts text and image inputs and produces image-plus-text outputs via the Gemini API, Google AI Studio, and Vertex AI. Source: supabase.